package com.leetcode.solution.model;

public class TreeNode {
    public int val;

    public TreeNode left;

    public TreeNode right;

    public TreeNode() {}

    public TreeNode(int val) { this.val = val; }

    public TreeNode(int val, TreeNode left, TreeNode right) { this.val = val; this.left = left; this.right = right; }

}
